United Scientific® Neoprene Stoppers, Solid, #9-UNITED NST9-S

Neoprene Stoppers can be used in areas where rubber would be attacked by reagents or solvents. Synthetic green neoprene stoppers have good resiliency and shelf-life. They withstand petroleum products and oils as well as most inorganic acids and bases. Available in sizes 000-13 and sold in one pound packages. We also have an assortment pack available.